delete.neighbor {R2BayesX}

Delete Neighborhood Relations

Description

Adds the neighborhhod relationship between two given regions from a map object in graph format.

Usage

delete.neighbor(map, region1, region2)

Arguments

map

map object in graph format that should be modified.

region1, region2

names of the regions that should no longer be regarded as neighbors.

Value

Returns an adjacency matrix that represents the neighborhood structure of map minus the deleted neighborhood relation in graph format.

Author(s)

Felix Heinzl, Thomas Kneib.

See Also

get.neighbor, add.neighbor, read.gra, write.gra, bnd2gra.

Examples

## read the graph file
file <- file.path(find.package("R2BayesX"), "examples", "Germany.gra")
germany <- read.gra(file)

## delete some neighbors
get.neighbor(germany, c("7339"))
germany <- delete.neighbor(germany, "7339", "7141")
get.neighbor(germany, c("7339"))